Finding the Fourth Proportional to 2,128,882.50, 2,937,977.73 and 1,223,522.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128,882.50 : 2,937,977.73 = 1,223,522.82 : x
2. Step 2: Convert to fraction form
   2,128,882.50/2,937,977.73 = 1,223,522.82/x
3. Step 3: Cross multiply
   2,128,882.50x = 2,937,977.73 × 1,223,522.82
4. Step 4: Simplify right side
   2,128,882.50x = 3,594,682,797,306.80
5. Step 5: Solve for x
   x = 3,594,682,797,306.80/2,128,882.50
6. Step 6: Final answer
   x = 1,688,530.39